Speeding Up Incremental ETL Processes in SSIS by Using MD5 Hashes
Speeding up incremental ETL processes in SSIS by tracking changes to records in an MD5 Hash
SQL Server and the XML Data Type : Data Manipulation
The introduction of the xml data type, with its own set of methods for processing xml data, made it possible for SQL Server developers to create columns and variables of the type xml. Deanna Dicken examines the modify() method, which provides for data manipulation of the XML data stored in the xml data type via XML DML statements.
Knowing What's Normal
This week Database Weekly has a lot of performance related posts and Steve Jones notes that those are not of much use unless you know you really do have a performance problem.
Partitions in Analysis Services
A look at partitioning in Analysis Services from Shahfaisal Muhammed. Learn how it works, what it can do, and how to implement partitions for your cubes.
What Will We Take For Granted Tomorrow?
A guest editorial from Tim Mitchell today looks at technology, and how quickly we become accustomed to it.
Import and Export Registered SQL Servers To Other Machines
I need to setup other computers the same way that are used to manage my SQL Servers. Instead of having to manually add the registered servers on each computer in this tip I show you how you can import and export registered servers between computers.
Limited Features or Limited Time?
A guest editorial today from Andy Warren. When someone is looking to introduce a free version of a product, what's the best way to tackle it?
Using SQL Profiler to Resolve Deadlocks in SQL Server
MVP Jonathan Kehayias brings us a short article on how to troubleshoot deadlocks in SQL Server.
Tables and Views for Auditing SQL Server Logins
I have been tasked with auditing security on my SQL Server. However, this needs to be a somewhat automated process as I don't want to have to rely on taking screenshots every month to satisfy our auditors. What tables and/or views should I be using and what's the best way to extract the information out of them?
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers